linux-kernel - Re: linux-next: build failure after merge of the clk tree

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Message-ID: <20141217144714.6702907a@canb.auug.org.au>
Date:	Wed, 17 Dec 2014 14:47:14 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Mike Turquette <mturquette@...aro.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Stephen Boyd" <sboyd@...eaurora.org>
Subject: Re: linux-next: build failure after merge of the clk tree

Hi Mike,

On Mon, 15 Dec 2014 23:20:34 -0800 Mike Turquette <mturquette@...aro.org> wrote:
>
> Quoting Stephen Rothwell (2014-12-15 19:45:36)
> > Hi Mike,
> > 
> > After merging the clk tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> > 
> > In file included from arch/x86/include/asm/bug.h:35:0,
> >                  from include/linux/bug.h:4,
> >                  from include/linux/cpumask.h:12,
> >                  from arch/x86/include/asm/cpumask.h:4,
> >                  from arch/x86/include/asm/msr.h:10,
> >                  from arch/x86/include/asm/processor.h:20,
> >                  from arch/x86/include/asm/atomic.h:6,
> >                  from include/linux/atomic.h:4,
> >                  from include/linux/debug_locks.h:5,
> >                  from include/linux/lockdep.h:23,
> >                  from include/linux/spinlock_types.h:18,
> >                  from include/linux/mutex.h:15,
> >                  from include/linux/notifier.h:13,
> >                  from include/linux/clk.h:17,
> >                  from include/linux/clk-provider.h:14,
> >                  from include/linux/clk-private.h:14,
> >                  from drivers/clk/clk.c:12:
> > drivers/clk/clk.c: In function 'clk_debug_create_one':
> > include/linux/lockdep.h:339:51: error: invalid type argument of '->' (have 'struct mutex')
> >  #define lockdep_is_held(lock) lock_is_held(&(lock)->dep_map)
> >                                                    ^
> > include/asm-generic/bug.h:86:25: note: in definition of macro 'WARN_ON'
> >   int __ret_warn_on = !!(condition);    \
> >                          ^
> > include/linux/lockdep.h:362:27: note: in expansion of macro 'lockdep_is_held'
> >    WARN_ON(debug_locks && !lockdep_is_held(l)); \
> >                            ^
> > drivers/clk/clk.c:248:2: note: in expansion of macro 'lockdep_assert_held'
> >   lockdep_assert_held(clk_debug_lock);
> >   ^
> > 
> > Caused by commit 9a2027b99994 ("clk: Really fix deadlock with
> > mmap_sem").  I wonder how this ever built?
> 
> This was fixed up earlier today. Next run through should be fine.

This is still broken ... and the diff from yesterday's version of the
clk tree was empty :-(
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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